﻿// 
// IScriptSnapshotShim.cs
// 
// Author:
//   Matt Ward <ward.matt@gmail.com>
// 
// Copyright (C) 2013 Matthew Ward
// 
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System;

namespace ICSharpCode.TypeScriptBinding.Hosting
{
	public interface IScriptSnapshotShim
	{
		string getText(int start, int end);
		int getLength();
		
		/**
		 * Returns a JSON-encoded value of the type:
		 *   { span: { start: number; length: number }; newLength: number }
		 *
		 * Or undefined value if there was no change.
		 */
		string getChangeRange(IScriptSnapshotShim oldSnapshot);
		
		void dispose();
	}
}
